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2 Interactions found for:

Interactions Summary
  • 0 Major
  • 0 Moderate
  • 2 Minor
  • MiraLAX

Drug Interactions

A total of 219 medications are known to interact with MiraLAX. Add another medication to view potential interactions with this medication.

Common Interactions Checks

Drug and Food Interactions

No food interactions were found for selected drugs: MiraLAX.

This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Drug and Pregnancy Interactions

The following applies to the ingredients: Polyethylene Glycol 3350 (found in Miralax)

Professional Content

Use is not recommended unless clearly needed.

AU TGA pregnancy category: B1
US FDA pregnancy category: Not assigned

Animal studies have not been conducted. There are no controlled data in human pregnancy. Systemic exposure if negligible, so clinically significant exposure of the fetus is not expected.

AU TGA pregnancy category B1: Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed. Studies in animals have not shown evidence of an increased occurrence of fetal damage.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D, and X are being phased out.


  1. Cerner Multum, Inc. "Australian Product Information." O 0
  2. TGA. Therapeutic Goods Administration. Australian Drug Evaluation Committee "Prescribing medicines in pregnancy: an Australian categorisation of risk of drug use in pregnancy." (2010):
  3. Briggs GG, Freeman RK. "Drugs in Pregnancy and Lactation." Philadelphia, PA: Wolters Kluwer Health (2015):

Drug and Breastfeeding Interactions

The following applies to the ingredients: Polyethylene Glycol 3350 (found in Miralax)

Professional Content

This drug should be used only if clearly needed.

Excreted into human milk: Unknown
Excreted into animal milk: Unknown


  1. Cerner Multum, Inc. "Australian Product Information." O 0

Therapeutic Duplication Warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Switch to: Professional Interactions

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a healthcare professional. Use of this content is subject to our terms of use & medical disclaimer.